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GB/T 15057.11-1994 PDF English

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GB/T 15057.11-1994: Limestone for chemical industry. Determination of size
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GB/T 15057.11-1994: Limestone for chemical industry. Determination of size

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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA UDC 549.51.661.543.06 D 51 GB/T 15057.1~15057.11-94 Chemical Analysis of Limestone for Chemical Industry [Part 11.Limestone for Chemical Industry – Determination of Size] Issued on: MAY 5, 1994 Implemented on: FEBRUARY 1, 1995 Issued by. State Bureau of Quality and Technical Supervision

Table of Contents

1 Theme Content and Scope... 3 2 Normative References... 3 3 Method Summary... 3 4 Instrument... 3 5 Sampling... 3 6 Determination Method... 4 Additional Information... 5 Limestone for Chemical Industry – Determination of Size

1 Theme Content and Scope

This Standard specifies a method for determining particle size by sieving method. This Standard is applicable to the determination of particle size of massive limestone used in chemical industry.

2 Normative References

GB 6003 Test Sieve GB/T 15057.1 Limestone for Chemical Industry – Methods of Sampling and Preparing

3 Method Summary

The product is visually evaluated as a percentage of a certain particle size. Use the sieving method to measure the mass of the sample above or below the sieve, and calculate the percentage.

4 Instrument

4.1 Bench scale (GB 535). 4.2 Test sieve. Prepare by reference of GB 6003. 150mm sieve. The screen surface is 1.5mm thick and has circular screen holes. 50mm sieve. The effective size of screen surface is 500mm×1000mm, circular screen hole; the height of the sieve frame is subject to the fact that the ore does not splash out during sieving.

5 Sampling

Specimen for particle size determination shall be taken individually from the ore pile and on the belt conveyor. The sampling method shall be carried out in accordance with limestone ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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